What does the notation tt mean to geneticists?

The RNA in the cytoplasm that carries an amino acid to the ribosome and adds it to the growing protein chain?

________ control the production of proteins, which help determine traits

The nitrogen base that pairs up with cytosine

What step in protein synthesis? messenger RNA enters the cytoplasm and attaches to a ribosome

Which nitrogen base in RNA is NOT part of DNA?

What is the probability of producing a tall pea plant from a genetic cross between a homozygous short pea plant (tt) and a homozygous tall pea plant (TT) ? (on the test you will use a Punnett square to show your work)

A ____ letter represents a recessive allele

The factors that controls a trait (a segment of DNA on a chromosome that codes for a specific trait) is called a

A characteristic that an organism can pass on to its offspring through its genes.

The different forms of a gene are called

A Punnett square shows two things 1) all the possible _____ and 2) the _____ of a particular outcome

A mutation is ______ to an organism if it improves the organism’s chances for survival and reproduction.

Which of the following are examples of genotypes?

An organism that has two different alleles for a trait

The passing of traits from parents to offspring

What does the notation Tt mean to geneticists?

A change in a gene or chromosome

A mutation is _____ to an organism if it reduces the organism’s chances for survival and reproduction

Which of the following examples are heterozygous?

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